What is SD-WAN?

SD-WAN (Software-Defined Wide Area Network) enables enterprises to increase the performance and reliability of their Wide Area Network (WAN) connections. It accomplishes this by leveraging software-defined networking (SDN) concepts to intelligently route traffic across the best network channel based on real-time network performance measurements. In the past, WAN connections were created by employing specialized gear, such as routers and switches. Instead, with SD-WAN, these tasks are carried out by software programs operating on generic hardware, such as servers or virtual machines. This makes it possible for enterprises to simply and affordably link their branch offices and remote sites to their main network. Other advantages of SD-WAN include enhanced security, better network performance visibility, and increased flexibility in network deployment that enables high-speed and low latency.

What does SD-WAN do?

SD-WAN is a technology that enables enterprises to utilize software to control and improve the performance of their wide area network (WAN) connections. It enables a secure and dependable connection between remote places. While SD-WAN utilizes software to handle these connections and is simple to set up and upgrade remotely, traditional WANs employ expensive, rigid hardware to connect these sites. This enables businesses to grow their networks and alter their connectivity as necessary.

The use of sophisticated routing algorithms by SD-WAN can further enhance the performance of WAN connections by optimizing traffic flow and lowering latency. Businesses with remote locations that need to access programs and data stored in the cloud can benefit greatly from this. In essence, SD-WAN can assist businesses in improving the performance and effectiveness of their WAN connections, making it simpler to connect and communicate with remote stakeholders.

Why is SD-WAN important?

Utilizing software to dynamically route network traffic over the connection depending on parameters like network performance and cost, SD-WAN enables organizations to increase the performance and security of their WAN connections. The enhanced WAN connection performance, especially for latency-sensitive applications like audio and video, is one of its primary advantages for enterprises. SD-WAN makes sure that these apps operate smoothly and dependably by routing traffic over the best available connection. In addition to enhancing performance, SD-WAN can assist companies in cutting networking expenses. By using intelligent routing, organizations can reserve more expensive dedicated connections for mission-critical applications while using less expensive internet connections for certain types of traffic, including data. And by encrypting traffic as it travels via the WAN and employing other security measures, SD-WAN can further increase the network security of a company. This can serve in defending against threats and risks including malware, ransomware, and data leaks.

In conclusion, SD-WAN is an important technology for organizations because it can enhance the performance, cost-effectiveness, and security of their WAN connections.

How does SD-WAN work?

Based on variables including network performance and cost, SD-WAN automatically directs network traffic over the best connection. To do this, a central controller, referred to as an SD-WAN appliance or virtual appliance, is used. It analyzes the available WAN connections and determines the best routing path based on previously established policies.

The SD-WAN appliance is often installed near the network's edge, where it can keep track of how well each WAN connection is performing and adjust traffic routing accordingly. For instance, the SD-WAN device may route traffic over dedicated leased lines for mission-critical applications and internet connections for less important traffic if a company has both dedicated leased lines and internet connections. The SD-WAN appliance uses several strategies, such as Quality of Service (QoS) and Quality of Experience (QoE) metrics to assess the performance of each connection, to efficiently route traffic. In order to secure traffic as it travels via the WAN, it might also utilize encryption and other security techniques.

The overall objective of SD-WAN is to increase network security while simultaneously increasing WAN connection performance and cost efficiency.

What is managed SD-WAN?

Managed SD-WAN is a service that offers organizations a fully managed, turnkey solution for establishing and maintaining SD-WAN infrastructure. It includes appropriate necessary hardware and software, as well as ongoing IT support and upkeep.

One of managed SD-primary WAN's advantages is that it can assist companies in streamlining the process of setting up and maintaining an SD-WAN infrastructure. Instead of purchasing, installing, and configuring gear and software on their own, organizations can outsource these tasks to a managed service provider. This can ease the workload on IT employees and free them up to concentrate on other important tasks. Managed SD-WAN services frequently come with a variety of extra features and advantages, including proactive monitoring and support, continuous software upgrades and patches, and knowledge of how to configure and optimize the SD-WAN infrastructure to match the unique demands of the company.

In layman's terms, managed SD-WAN is a desirable alternative for companies that wish to reap its rewards but lack the internal resources or ability to operate the infrastructure themselves. It offers a completely managed solution that may assist companies in raising the effectiveness, cost-effectiveness, and security of their WAN connections while also streamlining the installation and upkeep of an SD-WAN architecture.

What are the benefits of SD-WAN?

SD-WAN offers various advantages to enterprises, including:

• Performance enhancement: One of SD-key WAN's advantages is its ability to enhance WAN connections' performance, especially for applications like voice and video that are sensitive to latency.

• Reduced networking expenses: SD-WAN can also assist companies in lowering their networking expenditures. Businesses may utilize relatively inexpensive internet connections for some types of traffic, including data while reserving more expensive dedicated connections for mission-critical applications by utilizing software to intelligently route traffic.

• Enhanced security: SD-WAN can improve a company's network security by employing encryption and other security measures to safeguard traffic as it travels across the WAN from dangers like malware, ransomware, and data breaches.

• Increased flexibility and scalability: SD-WAN enables companies to quickly add or delete WAN connections as needed, which can assist to increase the flexibility and scalability of their network. This is especially helpful for companies that are growing or have changing networking requirements.

• Simplified network management: SD-WAN can assist to ease the process of operating a WAN infrastructure by employing software to make intelligent routing decisions.

• In conclusion, SD-WAN is an important technology for organizations as it can enhance the performance, cost-effectiveness, and security of their WAN connections, which are essential for supporting a variety of business-critical applications and services.


HPE (Hewlett Packard Enterprise) is a technology company that offers a range of products and services related to SD-WAN for businesses. These offerings include hardware, software, and managed services that can help businesses to implement and maintain an SD-WAN infrastructure.

One of HPE's main SD-WAN offerings is its SD-WAN Gateway, which is a hardware appliance that provides businesses with an easy-to-use and scalable solution for implementing SD-WAN. The SD-WAN Gateway includes features such as Quality of Service (QoS) and Quality of Experience (QoE) metrics, which help to ensure that traffic is routed over the best available connection. It also includes security features such as encryption and firewall capabilities, which help to protect traffic as it traverses the WAN.

In addition to its hardware offerings, HPE also provides software and managed services for SD-WAN. This includes HPE Velocity, which is a software-defined networking (SDN) platform that allows businesses to easily configure and manage their SD-WAN infrastructure. HPE also offers managed SD-WAN services that provide businesses with a fully managed solution for implementing and maintaining an SD-WAN infrastructure.

Overall, HPE's role in the SD-WAN market is to provide businesses with a range of products and services that can help them to implement and maintain an SD-WAN infrastructure that is optimized for their specific needs. This includes hardware, software, and managed services that can help businesses to improve the performance, cost-efficiency, and security of their WAN connections.